perimeters

英 [pəˈrɪmɪtəz]

美 [pəˈrɪmətərz]

n.  (土地的)外缘，边缘; 周长
perimeter的复数

柯林斯词典

• N-COUNT 外缘；边缘
  Theperimeterof an area of land is the whole of its outer edge or boundary.
  1. ...the perimeter of the airport...
     机场四周
  2. Officers dressed in riot gear are surrounding the perimeter fence.
     身穿防暴服的警察正在包围外围的栅栏。

双语例句

• In dual-sensor mode, the video assistant can be operated in parallel with its video motion detector to monitor perimeters, open sites, and buildings.
  在双传感器模式下，视频协助连同其视频动态探测器一同监控周边环境，开放场地和高楼大厦。
• The investigation conclusions are that this vibration is induced by steam flow, and the cause may be unit constructions, operational perimeters or others.
  研究结论认为：振动性质是汽流激振，其原因与机组结构、运行参数等多方面因素有关。
• The results that. ( 1) Clones are significantly different in their total stomata perimeters of leaf and so this character can be used in rubber breeding programmes.
  试验表明：1.不同品系气孔的总周长有极显著或显著差异，因而说明气孔总周长是品系特性之一，在选育种过程中是值得注意的一个性状。
• The sinuosity of shorelines and the perimeters reduced, and the structure of the shorelines became monotonous during the past 30 years.
  近30年来，太湖流域湖泊的岸线曲折度降低，岸线长度减少，岸线结构趋于单调。
• Using hot embossing method to fabricate the microchannel of PMMA plastic microfluidic chips, the process perimeters, i. e. temperature, pressure and time, affect the quality directly.
  采用热压成形的方法制作塑料（PMMA）微流控芯片的微通道，其温度、压力和时间等工艺参数直接影响制作质量，而最佳的工艺参数取决于聚合物材料的流变特性。
• He suggested that regulators should re-examine the legal perimeters of financial institutions to assess the real risks from off-balance sheet structures.
  他建议，监管者应该重新审视金融机构的法律框架，以评估资产负债表外结构产品的真实风险。
• A unified numerical formulation is presented for solving the current distribution and radiation fields. The dependence of the resonant resistance and resonant loop perimeters on the superquadric parameters is investigated for the loop antennas printed on various dielectric substrates.
  首先给出求解天线电流分布和辐射场的统一数值计算公式，然后通过改变超二次曲线的形状参数，分析印刷在不同介质基片上环形天线的形状与其谐振电阻和谐振环周长的关系。
• A new Demonstration of the Equal Perimeters of Triangles
  三角形等周问题证明新探
• Methods: The perimeters and areas of left and right atrioventricular orifice fibrous rings, and areas of the mitral valve and tricuspid valve and the number of chordae tendineae attached to the valves were observed and measured on 42 hearts of adult cadavers fixed with formaldehyde.
  方法：采用42例经福尔马林固定的成人心脏标本，观测房室口纤维环的周长和面积，二尖瓣和三尖瓣的面积及瓣膜各部附着的腱索条数。
• It can be installed permanently to continuously monitor building ventilation systems, transportation facilities, or critical perimeters, or it can be used for temporary installations.
  它可以持久的安装并且用于持续的监测建筑物内的通风系统，交通设施或危险区域，当然检测器也可以临时性的安装。